Description:This book constitutes the refereed proceedings of the 6th Industrial Conference on Data Mining, ICDM 2006, held in Leipzig, Germany in July 2006. The 45 revised full papers presented were carefully reviewed and selected from 156 submissions. The papers are organized in topical sections on data mining in medicine, Web mining and logfile analysis, theoretical aspects of data mining, data mining in marketing, mining signals and images, and aspects of data mining, what means applications such as intrusion detection, knowledge management, manufacturing process control, time-series mining and criminal investigations.